.page {
    height: 50px;
    background-color: lightpink;
    display: flex;
    justify-content: center;

}

.page > div:first-child {
    display: flex;
    justify-content: center;
    align-items: center;
}

.page > div:first-child > div {
    margin: 5px;
}

.page > div:first-child > div:last-child {
    display: flex;
    justify-content: center;


}

.page > div:first-child > div:last-child > div {
    margin: 5px;
    padding: 5px 10px;
    background-color: orange;
    border-radius: 45px;
    cursor: pointer;
}

.page input[type=number] {
    width: 50px;
}